Distribution characteristics and source analysis of dioxins, in sediments and mussels from Qingdao coastal sea

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	Distribution characteristics and source analysis of dioxins, in sediments and mussels from Qingdao coastal sea
	Pan, J (Pan, Jing)7; Yang, YL (Yang, Yong-Liang); Chen, DZ (Chen, Da-Zhou); Xu, Q (Xu, Qing); Tang, H (Tang, Hua); Li, Y (Li, Yue); Nie, LM (Nie, Li-Man); Jiang, K (Jiang, Kui); Xi, DL (Xi, Dan-Li)
刊名	CHEMOSPHERE
	2008
卷号	70 期号:9 页码:1699-1706
关键词	PCDD/Fs Qingdao coastal sea horizontal and vertical distributions fluxes TEQs
ISSN号	0045-6535
英文摘要	Seven of surface sediments, one sediment core and two mussel samples were collected from the Qingdao coastal sea of the western Yellow Sea and analyzed to determine the horizontal distribution, deposition flux, and toxicity equivalency (TEQs) of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs). The total PCDD/Fs concentrations in the surface sediments ranged between 10.7 and 428 ng kg(-1) dry wt. The horizontal distribution of PCDD/F congeners in the sediments was characterized by elevated concentrations at the locations in the east of Jiaozhou Bay with the highest concentration occurring near the Haibo River mouth. Physical parameters (total organic carbon contents and sediment types) and the current circulation systems in Jiaozhou Bay can be important factors controlling the horizontal distribution pattern of PCDD/Fs in the bay. The influence of the Haibo River as a source of pollution was evidenced by PCDD/F homologue profiles, indicating a contribution from sewage sludge in addition to other possible sources. Records from the sediment core revealed that the total PCDD/Fs in the Qingdao coastal sea were nearly constant since 1951 till 1980s and increased remarkably after 1980s. The total 2,3,7,8-substituted PCDD/Fs and total TEQs of PCDD/Fs on the lipid basis in the mussel sample inside the bay were significantly higher than in the adjacent sediment. The homologue profiles of PCDD/Fs in the mussels were quite different from those of the sediments, characterized by high TCDF (50% of the total PCDD/Fs). (c) 2007 Elsevier Ltd. All rights reserved.
学科主题	海洋地质学
WOS关键词	DIBENZO-P-DIOXINS ; TOKYO BAY ; DEPOSITION ; PCDD/FS ; JAPAN ; KOREA ; CORE ; AIR ; UK
WOS研究方向	Environmental Sciences & Ecology
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000253180300021
内容类型	期刊论文
源URL	[http://119.78.100.197/handle/2HKVOGP0/38670]
专题	中国地质调查局
作者单位	1.[Yang, Yong-Liang 2.Chinese Acad Geol Sci, Natl Res Ctr Geoanal, Beijing 100037, Peoples R China [Pan, Jing 3.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Peoples R China [Chen, Da-Zhou 4.Natl Inst Metrol, Div Metrol Chem, Beijing 100013, Peoples R China [Li, Yue 5.Nie, Li-Man 6.Qingdao Univ, Dept Environm Sci & Engn, Qingdao 266071, Peoples R China 7.中国地质科学院国家地质实验测试中心
推荐引用方式 GB/T 7714	Pan, J ,Yang, YL ,Chen, DZ ,et al. Distribution characteristics and source analysis of dioxins, in sediments and mussels from Qingdao coastal sea[J]. CHEMOSPHERE,2008,70(9):1699-1706.
APA	Pan, J .,Yang, YL .,Chen, DZ .,Xu, Q .,Tang, H .,...&Xi, DL .(2008).Distribution characteristics and source analysis of dioxins, in sediments and mussels from Qingdao coastal sea.CHEMOSPHERE,70(9),1699-1706.
MLA	Pan, J ,et al."Distribution characteristics and source analysis of dioxins, in sediments and mussels from Qingdao coastal sea".CHEMOSPHERE 70.9(2008):1699-1706.